每经AI快讯,7月21日,上期所基本金属期货夜盘收盘涨跌不一,沪铜涨0.69%,氧化铝涨0.63%,不锈钢涨0.07%,沪铅涨0.06%,沪锌跌0.16%,沪锡跌0.21%,沪镍跌0.35%,沪铝跌0.78%。
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